Balboa Cafe - History of the saloon from 1914. - http://www.plumpjack.com/pjbalboa/history.html
Folgers Coffee History - A brief history of Folgers in San Francisco. - http://www.folgers.com/pressroom/history.shtml
The Fabulous Fior - Over 100 Years in an Italian Kitchen - "The Fabulous Fior" tells the history of San Francisco North Beach's Fior d'Italia, America's oldest Italian restaurant, through the lives and recipes of the Italian-American immigrants who built it. - http://www.fabulousfior.com/
Anchor Brewing Company - Anchor Brewing dates from 1896. This site has info on the Golden Gate Bridge, Telegraph Hill, Shot Towers, and the brewers of San Francisco. - http://www.anchorbrewing.com/san_francisco/